Choose the appropriate drivers for your AM5 B650E chipset.
Choose the appropriate drivers for your AM5 B650E chipset.
Falcon_Pilot
08-11-2022, 12:05 PM #11I updated the BIOS yesterday and everything seemed fine. Running the system in games without EXPO worked better than before. After turning EXPO on, all games ran smoothly. Today the PC won’t boot at all; EXPO I or II are not functioning. I’m stuck at 5600MT/s and need advice on maximizing RAM performance.
Confirming the data in slots 2 and 4. If you have it, adjusting the SOC voltage is a key factor influencing maximum frequency. Increasing it to 1.3V from the intended 1.25V is a reasonable setting. This voltage is stable enough for optimal performance without risking instability. The VDDP voltage also plays a role in achieving higher memory speeds, though it tends to optimize rather than maximize speed excessively. Other adjustments like termination resistances can help but usually require extensive tuning and rarely provide significant gains. One might overlook the importance of properly reseating the RAM—DDR5 is sensitive to mounting pressure, which affects frequency. Generally, boards favor stronger mounting pressure; I’ve seen older DDR3 systems work well under higher pressure than lower ones. There’s no clear reason not to test speeds above 7000MT/s, and manually setting memory parameters instead of relying on EXPO can be more reliable.
The memory voltage and the SOC voltage I was referring to are two different voltages. The SOC voltage setting won't let you set it above 1.3V, since 1.4V has been shown to quickly kill the CPUs. I have seen that help before. There's no logical reason it should help, odds are it's just the reseating that fixes it, but it shouldn't hurt.
Hello, I replaced the RAM again. It booted up properly as before after the BIOS update. I turned on EXPO and everything functioned correctly, played a few games without issues. Then I restarted and it worked well. After a while I came back, powered on the PC and entered safe mode... I’m still stuck at 5600MT/s
Minegus_Dub
08-23-2022, 04:10 PM #18It prevents memory training from being applied, which reduces startup time significantly, yet may lead to unexpected failures when attempting higher memory configurations.
MrScooter2
08-29-2022, 09:13 AM #19This idea is helpful. My performance at 6000MHz drops unless MCR is turned off. I’ve gotten used to a 30-second startup delay, which isn’t too bad.
Ha12Nn6aH3
08-31-2022, 12:07 AM #20You might want to try running memtest86 to check the memory health. It could help determine if the issue is with the sticks or something else. Regarding the voltage, your CPU SOC reading of 1.032V is normal for idle, but adjusting it to 1.3 may be a step up—consider what’s recommended for your model.